21051489 (number)

21051489 is an odd 8-digits composite number following 21051488 and preceding 21051490. In scientific notation, it is written as 2.1051489 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14034324 positive integers (up to 21051489) that are relatively prime to 21051489.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand four hundred eighty-nine

Notation

Scientific notation 2.1051489 × 10^7
Engineering notation 2.1051489 × 10^6

Prime Factorization of 21051489

Prime Factorization 3 × 7017163

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21051489
Product of the distinct prime numbers

The prime factorization of 21051489 is 3 × 7017163. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21051489)

Multiplication

n×y
n×2 42102978
n×3 63154467
n×4 84205956
n×5 105257445

Division

n÷y
n÷2 10525744.5
n÷3 7017163
n÷3 5262872.25
n÷5 4210297.8

Exponentiation

ny
n2 443165189117121
n3 9.329287103882E+21
n4 1.9639538484521E+29
n5 4.1344152837198E+36

Nth Root

y√n
2√n 4588.1901660677
3√n 276.11771653636
4√n 67.73618062799
5√n 29.151208513802

Divisors of 21051489

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21051488
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051489 can be divided by 4 positive divisors. The sum of these divisors (counting 21051489) is 1, the average is 0.25.

Base conversion 21051489

Base System Value
2 Binary 1010000010011100001100001
3 Ternary 1110121112012210
4 Quaternary 1100103201201
5 Quinary 20342121424
6 Senary 2031112333
8 Octal 120234141
10 Decimal 21051489
12 Duodecimal 70726a9
16 Hexadecimal 1413861
20 Vigesimal 6bb8e9
36 Base36 cj7fl

Cryptographic Hash Functions

md5 81f8c843cf33adff313f93fc148eaa52
sha1 12e0b01d1be47f84311fdb268fca39813ae1fae0
sha256 8fdc4e1f4dda8657e97079996bb865b3695d4d22b41cd2e51908cac4c27bfcea
sha512 5d2015c49387597590cf089ce58bd204f5dc64616cb3686ee1eec46b0eccfb4cd4ded3591fc1f0d61c2f1a2cd444bbfe3b926778471fe04dbbd6217e4aba421b
ripemd-160 e7a67dbe7f36146fc8a391eba09310f17bf3b905

21051489 as geometric shapes

Circle

Radius = n
Diameter 42102978
Circumference 132270406.37905
Area 1.3922445024571E+15

Sphere

Radius = n
Volume 3.9078426438381E+22
Surface area 5.5689780098283E+15
Circumference 132270406.37905

Square

Length = n
Perimeter 84205956
Area 443165189117121
Diagonal 29771301.251948

Cube

Length = n
Surface area 2658991134702726
Volume 9.329287103882E+21
Space diagonal 36462248.522977

Equilateral Triangle

Length = n
Perimeter 63154467
Area 1.9189615592418E+14
Altitude 18231124.261489

Triangular Pyramid

Length = n
Surface area 1.9189615592418E+14
Volume 1.0994670291319E+21
Height 9923767.0839827